C11112331312111112111133133313231333132313331333132233312113313331323323123231   >>    C1111233131211111211113313331323133313231333133313223331211331333132332312323   <<    C11112331312111112111133133313231333132313331333132233312113313331323323123233   >>      C11112331312111112111133133313231333132313331333132233312113313331323323123232   >>